NoTrax Vinyl 479 Cushion Trax Anti-Fatigue Mat, for Heavy-Traffic Dry Areas, 2' Width x 3' Length x 9/16" Thickness, Black Durable vinyl diamond plate surface offers increased traction and chemical resistance Dense closed cell sponge base provides cushioned comfort Exclusive Red Stop technology creates non-skid bottom, reducing mat movement Unifusion bond eliminates mat de-lamination; bond is guaranteed for life of the mat 9/16" thick, beveled edges on all 4 sides for safety